add code for ISC interview

wikiplugin_pjsviz.php

@@ -0,0 +1,113 @@
+<?php
+/*
+ * Discovery Tiki by 
+ *	porting http://fabien.benetou.fr/pub/pim_functions.php.txt
+ *	by following http://dev.tiki.org/Hello+World#To_create_a_new_plugin
+ * test in http://localhost/tiki/tiki-index.php?page=Testing
+ */
+
+
+//the info function is needed for tw >= 3.0
+function wikiplugin_pjsviz_help() {
+	return "do the viz";
+}
+
+function wikiplugin_pjsviz_info() {
+	return array(
+		'name' => tra('Pjsviz'),
+		'documentation' => 'PJS Viz', 
+		'description' => tra('Display a visualization of edits.'), 
+		'format' => 'html', // html or wiki
+		'prefs' => array( 'wikiplugin_pjsviz'),
+		// else fails on the feature_myfeature
+		// each plugin can have an admin setting(pref) to enable them
+		'body' => tra('explain what the body of the plugin means'),
+		//'validate' =>'all',
+		//add this line if each insertion of this plugin needs to be validated by an admin,
+		// (because new or modified plugin body or plugin arguments is found). Possible values are: 'all', body' or 'arguments'.
+		'params' => array( 
+			/*
+				'title' => array( 
+				'required' => false, 
+				'name' => tra('Title'), 
+				'description' => tra('Describe what title is'), 
+			), 
+			 */
+		),
+	); 
+}   
+
+function wikiplugin_pjsviz($data, $params) { 
+	require_once ('tiki-setup.php');
+	include_once ('lib/wiki/histlib.php');
+	$pagename = "Testing";
+	$history = $histlib->get_page_history($pagename);
+	//var_dump($history); returned from the newest to the oldest
+	$pjs_path = "/tiki/lib/processingjs/processing.min.js";
+	$processinglocalfile = 'e:\webserver\htdocs\tiki\lib\processingjs\edits_per_page\\'.$pagename.".pjs";
+        $processingfile = "/tiki/lib/processingjs/edits_per_page/$pagename.pjs";	
+        $canvasheight = 600-2*10;
+        $canvaswidth = 100;
+        $block_width = 90;
+        $block_height = 4;	
+	$content = "";
+	foreach ($history as $edit){
+		$diffs[] = intval($edit["lastModif"]);
+	}
+	//var_dump($diffs);
+	$min = min($diffs);
+	$max = max($diffs);
+	$number_of_diffs = count($history);
+        $now = time();
+	$content .= "<script src=\"$pjs_path\" type=\"text/javascript\"></script>";
+        $canvas = "
+                void setup()
+                {
+                  size($canvaswidth, $canvasheight);
+PFont font;
+font = loadFont(\"FFScala-Bold-12.vlw\");
+textFont(font);
+                }
+                void mouseMoved() {
+                  checkButtons();
+                }
+
+                void mouseDragged() {
+                  checkButtons();
+                }
+                void draw()
+                {
+                  background(251);
+                  fill(0,0,255,20);
+                noStroke();
+";
+	foreach ($diffs as $diff){
+                $x = 5;
+                $y = round ( ($canvasheight - $block_height) * ( (($now - $min)-($now-$diff)) / ($now - $min)));
+                $canvas .= "\t\trect($x,$y,$block_width,$block_height);\n";		
+	}
+
+        $canvas .= "\t\tstroke(0,155);\n";
+        $canvas .= "\t\tfill(0,0,255,80);\n";
+        $canvas .= "\t\ttext(\"Edits:\",2,10 );\n";
+	$canvas .= "}";
+
+        $write_result = file_put_contents($processinglocalfile,$canvas);	
+	//here instead save to MongoDB
+
+	$content .= '<canvas data-src="'.$processingfile.'" width="'.$canvaswidth.'" height="'.$canvasheight.'"></canvas><br/>';
+	return $content;
+
+	//*************************************************************
+	//kept just to use if parameters are later given
+	if( isset( $params["title"] ) ) {
+		$title = $params["title"]; 
+		return "Hello World __".$title."__ $data!"; 
+	} else { 
+		// Indicate that a parameter is missing 
+		return WikiParser_PluginOutput::argumentError( array('title') ); 
+	} 
+	//*************************************************************
+} 
+
+?>